Murray, R.G.E., 1984. The higher taxa, or, a place for everything ...? In N.R. Krieg & J.G. Holt (eds.), Bergey's Manual of Systematic Bacteriology 1. The Williams & Wilkins Co., Baltimore and London: 31-34.
|
Stackebrandt, E., Murray, R.G.E. & TrĂ¼per, H.G., 1988. Proteobacteria classis nov., a Name for the Phylogenetic Taxon That Includes the Purple Bacteria and Their Relatives. Int. J. Syst. Bacteriol. 38 (2): 321-325.
|